Why not find the Sime part you are looking for by using our search by boiler model facility, all you need to do is find the model of boiler you require then click into it and we will provide you with a list of the fastest moving spare parts for that boiler. e.g. you require a fan for a E Comfort 25He boiler. Click on search By Boiler Model, Click On E Comfort Range, Click on E Comfort 25He boiler and scroll down the page until you find the fan. Click into the part and add it to your basket and checkout, its that easy.